EditorialApparatus of MM. Herve Mangon and Gaston Tissandier to dose the carbonic acid of the air, as it was arranged aboard the balloon Zenith, Apparatus for dosing carbon dioxide in a balloon, Signed: Bonnafoux, Fig. 40, p. 156, Bonnafoux (del.), 1887, Gaston...
EditorialDeath of Seneca / Jongeman threatened by armed figures, Print on the top right: Fol: 336. Bottom right: Fol: 348, death of Seneca: at Nero's order he cuts his veins, usually sitting in a basin or bath of water, and then taking a dose of poison, threate...